The antrum grinds and sieves solids, and pumps chyme into the duodenum against pyloric resistance. The timing of antral contractions is related to the frequency of an electrical slow wave ...

About this study. The purpose of this study is to determine if there are pyloric sphincter abnormalities in patients with gastroparesis symptoms and determine how prevalent these abnormalities are ...

Two biopsy fragments were further collected from the gastric antrum approximately 2 cm from the pylorus for the rapid urease test (RUT), which was performed with a non-commercial solution (100 mg/mL ...

A: X-ray of gastric ulcer in the antrum; B: Corresponding illustration of a gastric ulcer. A duodenal ulcer is located in lining of the duodenum. A: Duodenal ulcer; B: Corresponding x-ray. Peptic ...

But for the quarter of patients who have a large common antrum, the Volt catheter can’t cover their entire antrum for single-shot ablation. In that case, the electrophysiologist can selectively ...